<template>
  <div>
    <!-- 面包屑导航 -->

    <!-- 卡片视图区 -->
    <el-card>
      <el-row :gutter="25">
        <el-col :span="10">
          <!-- 搜索添加 -->
          <el-input
            placeholder="请输入搜索内容"
            v-model="query"
            clearable
            @clear="getUserList"
          >
            <!-- <el-button
              slot="append"
              icon="el-icon-search"
              @click="getUserList"
            ></el-button> -->
            <el-button
              type="primary"
              style="background-color: cornflowerblue; color: beige"
              slot="append"
              icon="el-icon-search"
              @click="getUserList"
              >搜索</el-button
            >
          </el-input>
        </el-col>

        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true"
            >添加用户</el-button
          >
        </el-col>
      </el-row>
      <!-- 用户列表 -->
      <el-table :data="userlist" border style="width: 100%">
        <el-table-column type="index" width="60"></el-table-column>
        <el-table-column prop="username" label="姓名" width="150">
        </el-table-column>
        <el-table-column prop="email" label="邮箱" width="150">
        </el-table-column>
        <el-table-column prop="password" label="密码" width="120">
        </el-table-column>
        <el-table-column prop="role" label="角色" width="120">
        </el-table-column>
        <el-table-column label="状态" prop="state">
          <!-- scope.row 就是当前行的信息 -->
          <template slot-scope="scope">
            <el-switch
              v-model="scope.row.state"
              @change="userStateChanged(scope.row)"
            ></el-switch>
          </template> </el-table-column
        >>
        <el-table-column label="操作">
          <template slot-scope="scope" class="cz">
            <!-- 修改 -->
            <el-button
              type="primary"
              style="width: 37px"
              icon="el-icon-edit"
              size="mini"
              @click="showEditDialog(scope.row.id)"
              >修改</el-button
            >
            <!-- 删除 -->
            <el-button
              type="danger"
              style="width: 37px"
              icon="el-icon-delete"
              size="mini"
              @click="deleteUser(scope.row.id)"
              >删除</el-button
            >
            <!-- 权限 -->
            <el-tooltip
              effect="dark"
              content="分配权限"
              placement="top-start"
              :enterable="false"
            >
              <el-button
                type="warning"
                style="width: 37px"
                icon="el-icon-setting"
                size="mini"
                >权限</el-button
              >
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页 -->
      <el-pagination
        background
        layout="total,sizes,prev, pager, next, jumper"
        :total="total"
        :page-sizes="[1, 5, 10, 20]"
        :page-size="this.size"
        @current-change="handleCurrentChange"
        @size-change="handleSizeChange"
      >
      </el-pagination>
    </el-card>

    <!-- 创建新用户对话框 -->
    <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisible"
      width="50%"
      @close="addDialogClosed"
    >
      <!-- 内容主体区域 -->
      <el-form
        :model="addForm"
        :rules="addFormRules"
        ref="addFormRef"
        label-width="70px"
      >
        <!-- 用户名 -->
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <!-- 邮箱 -->
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <!-- 角色 -->
        <el-form-item label="角色" prop="role">
          <el-radio-group v-model="addForm.role">
            <el-radio label="超级管理员"></el-radio>
            <el-radio label="普通管理员"></el-radio>
            <el-radio label="普通用户"></el-radio>
          </el-radio-group>
        </el-form-item>
      </el-form>
      <!-- 内容底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 修改用户对话框 -->
    <el-dialog
      title="修改用户信息"
      :visible.sync="editDialogVisible"
      width="50%"
      @colse="editDialogClosed"
    >
      <el-form
        :model="editForm"
        :rules="editFormRules"
        ref="editFormRef"
        label-width="70px"
      >
        <!-- 用户名 -->
        <el-form-item label="用户名" prop="username">
          <el-input v-model="editForm.username"></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item label="密码" prop="password">
          <el-input v-model="editForm.password"></el-input>
        </el-form-item>
        <!-- 邮箱 -->
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <!-- 角色 -->
        <el-form-item label="角色" prop="role">
          <el-radio-group v-model="editForm.role">
            <el-radio label="超级管理员"></el-radio>
            <el-radio label="普通管理员"></el-radio>
            <el-radio label="普通用户"></el-radio>
          </el-radio-group>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>
<script>
export default {
  data() {
    return {
      // 请求数据
      query: "",
      pageNum: 1,
      size: 5,
      userlist: [], // 用户列表

      total: 0, // 最大数据记录
      addDialogVisible: false, // 对话框显示
      // 添加用户表单项
      addForm: {
        username: "",
        password: "",
        email: "",
        role: "",
      },
      // 控制修改用户对话框显示/隐藏
      editDialogVisible: false,
      // 修改用户信息
      editForm: {},
      // 验证规则
      addFormRules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          { min: 2, max: 8, message: "长度在 2 到 8 个字符", trigger: "blur" },
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          { min: 6, max: 8, message: "长度在 6 到 8 个字符", trigger: "blur" },
        ],
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          { min: 5, max: 15, message: "请输入正确邮箱地址", trigger: "blur" },
        ],
        role: [{ required: true, message: "请选择角色", trigger: "change" }],
      },
      // 修改用户表单验证规则
      editFormRules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          { min: 2, max: 8, message: "长度在 2 到 8 个字符", trigger: "blur" },
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          { min: 6, max: 8, message: "长度在 6 到 8 个字符", trigger: "blur" },
        ],
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          { min: 5, max: 15, message: "请输入正确邮箱地址", trigger: "blur" },
        ],
        role: [{ required: true, message: "请选择角色", trigger: "change" }],
      },
    };
  },
  created() {
    this.getUserList();
  },
  methods: {
    async getUserList() {
      //调用post请求
      const { data: res } = await this.$http.post(
        `user/queryAll/?pageNum=${this.pageNum}&pageSize=${this.size}`
      );
      this.userlist = res.userList; // 将返回数据赋值
      this.total = res.total; // 总个数
    },
    // 监听pageSize改变的事件
    handleSizeChange(newSize) {
      this.size = newSize;
      this.getUserList(); // 数据发生改变重新申请数据
    },
    // 监听pageNum改变的事件
    handleCurrentChange(newSize) {
      // 调用post请求
      this.pageNum = newSize; // 将返回数据赋值
      this.getUserList(); // 数据发生改变重新申请数据
    },
    // 修改用户状态
    async userStateChanged(userlist) {
      const { data: res } = await this.$http.put(
        `user/updateState?id=${userlist.id}&state=${userlist.state}`
      );
      if (res != "success") {
        userinfo.state = !userinfo.state;
        return this.$message.error("操作失败！！！");
      }
      this.$message.success("操作成功！！！");
    },
    // 监听添加用户
    addDialogClosed() {
      this.$refs.addFormRef.resetFields(); // 重置表单项
    },
    // 添加用户
    addUser() {
      this.$refs.addFormRef.validate(async (valid) => {
        if (!valid) return;
        // 发起请求
        const { data: res } = await this.$http.post(
          "user/addUser",
          this.addForm
        );
        if (res != "success") {
          return this.$message.error("添加失败！！！");
        }
        this.$message.success("添加成功！！！");
        //隐藏
        this.addDialogVisible = false;
        this.pageNum = 1; // 将返回数据赋值
        this.getUserList();
      });
    },
    // 展示修改框 并且数据回显
    async showEditDialog(id) {
         const {data:res} = await this.$http.get("user/getUpdate?id="+id);
        this.editForm = res;
        this.editDialogVisible = true;
    },
    // 关闭窗口
    editDialogClosed() {
      this.$refs.editFormRef.resetFields();
    },
    // 确认修改
    editUserInfo() {
      this.$refs.editFormRef.validate(async (valid) => {
        if (!valid) return;
        // 发起请求
        const { data: res } = await this.$http.put("user/editUser", this.editForm);
        if (res != "success") return this.$message.error("修改失败！！！");
        this.$message.success("修改成功！！！");
        //隐藏
        this.editDialogVisible = false;
        this.getUserList();
      });
    },
    // 删除按钮
    async deleteUser(id) {
      // 弹框
      const confirmResult = await this.$confirm(
        "此操作将永久删除该用户, 是否继续?",
        "提示",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning",
        }
      ).catch((err) => err);
      // 成功删除为confirm 取消为 cancel
      if (confirmResult != "confirm") {
        return this.$message.info("已取消删除");
      }
      const { data: res } = await this.$http.delete("user/deleteUser?id=" + id);
      if (res != "success") {
        return this.$message.error("删除失败！！！");
      }
      this.$message.success("删除成功！！！");
      this.getUserList();
    },
  },
};
</script>
<style  scoped>
.cz {
  width: 20px;
}
</style>